Tier 1
$675
Sign & Sealed Engineering Letter — No Calculations
A professional structural letter confirming existing conditions or providing general structural observations. This service is ideal for permit support, property documentation, and simple projects that do not require engineering calculations or detailed design drawings.
Includes:
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Site or document review
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Professional structural assessment
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Signed letter prepared by a qualified consultant
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No structural calculations included
*Rush Service: Same-day requests may be accepted for an additional $150 fee, subject to availability and receipt of all required information.
Structural Engineering Letter Price Guide
*serving Florida for structural engineering letter
Tier 2
$850
Sign & Sealed Structural Letter with Limited Basic Engineering Calculations
A signed and sealed structural letter with limited engineering calculations for straightforward structural conditions. This service is suited for minor modifications, permit support, and projects requiring basic load checks.
Includes:
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Review of available plans and project information
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Basic structural calculations
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Review of simple beams, headers, posts, or connections
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Signed and sealed structural letter
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One round of reasonable revisions
Does not include: full structural design, complex calculations, detailed construction drawings, or site inspections unless noted.
Tier 3
$1,025
A comprehensive structural review and signed, sealed letter supported by detailed engineering calculations. This service is designed for projects with more complex structural conditions or greater design requirements.
Includes:
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Review of plans and project information
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Detailed structural calculations
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Analysis of beams, headers, posts, connections, and load paths
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Signed and sealed structural letter
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One round of reasonable revisions
Does not include: full construction documents, extensive redesign, or site visits unless noted.
*Unpermitted work may require additional review, documentation, and engineering calculations. These projects are typically priced under Tier 3.
Private Provider services
*serving lee county for private provider services